The 555 timer IC has been around now for quite some time and the list of potential uses for this device appears to be endless. This article contains a few examples of circuits that you might ...
台所でカレーメシにお湯を注いで5分。元気にキッチンタイマーの音が鳴り響く。 キッチンタイマー、便利だよね!好きな時間にセットして、ボタンを押せば設定した時間にわたしたちを呼んでくれる。 中ではどんな回路が動いているんだろう? 毎日カレー ...
The function of the 555 timer is mainly determined by two comparators. The output voltage of the them controls the state of the RS flip-flop and the discharge tube. It also contains 3 working states.